World sulphur supply and demand 1960-1980 /
- New York : UNIDO , 1973
- xiii, 165p. ; 22 cm.
Includes bibliographical references and index.
Mineral resources
International trade
Sulphur
333.8 / UNIDO
Includes bibliographical references and index.
Mineral resources
International trade
Sulphur
333.8 / UNIDO